[Ffmpeg-devel] ffserver Documentation
Piero Bugoni
crboca32
Thu Mar 15 19:22:13 CET 2007
--- Michel Bardiaux <mbardiaux at mediaxim.be> wrote:
>
> Admittedly, this part of libavcodec is not very
> good. avcodec_string,
> which prepares such messages, is quite independent
> of the codec
> themselves. Some codecs complain or even abort when
> the bitrate is
> impossible, but others (like rawvideo) proceed
> silently.
>
Thanks, I think this answers a number of questions I
had regarding this.
>
> qmin/qmax with rawvideo!?
>
I didn't think so. I used raw as an example since it
did not involve any post-processing, but the questions
I had applied to various combinations I had tried.
So,
-sameq adjusts "q" and bitrate accordingly? (VBR is
Video Bit Rate?),
And, likewise, I guess, bitrate is codec dependent.
Anyone care to proffer a technical definition for
"video quantizer," or "video quantizer scale", and
perhaps its relationship to output file size, assuming
a constant bitrate?
Thanks.
Piero.
P.S.
Fourier was some French guy that had something to do
with math, Right?
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